<!DOCTYPE html>
<html>
<head>
	<title></title>
	<link rel="stylesheet" type="text/css" href="bower_components/bootstrap/dist/css/bootstrap.min.css">
	<link rel="stylesheet" type="text/css" href="css/list.css">
</head>
<body>
<nav class="navbar navbar-inverse">
  ...
</nav>
<div class="contain">
	<div class="main-l pull-left">
		<ul class="list-group">
		  <li class="list-group-item">css</li>
		  <li class="list-group-item">js</li>
		  <li class="list-group-item">html</li>
		</ul>
	</div>
	<div class="mian-r pull-right">
		<ul class="list-group">
		  	<a href="">
		  		<li class="list-group-item">
		  			aa
		  		</li>
		  	</a>
		  	<a href="">
		  		<li class="list-group-item">
		  			aaa
		  		</li>
		  	</a>
		  	<a href="">
		  		<li class="list-group-item">
		  			aa
		  		</li>
		  	</a>
		  	<a href="">
		  		<li class="list-group-item">
		  			aa
		  		</li>
		  	</a>
		</ul>
	</div>
</div>
</body>
</html>